形容词
中文翻译：沮丧的
同义词：
['downhearted', 'disheartened', 'heartbroken例句：1. The news of his defeat left him crestfallen.（他失败的消息让他心灰意冷。）']
例句：
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1. The news of his defeat left him crestfallen.
他失败的消息让他心灰意冷。
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2. She was crestfallen when she heard that her project had been rejected.
她听到她的项目被拒绝时心都凉了。
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3.His sudden departure left everyone crestfallen.
他的突然离开让每个人都心灰意冷。